Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, September 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2018
1-Month
65.9°F
(18.8°C)
63.0°F
(17.2°C)
2.9°F
(1.6°C)
100th Coolest Coolest since: 2014 1896, 1993
26th Warmest Warmest since: 2017 1897, 1931
Aug–Sep 2018
2-Month
68.9°F
(20.5°C)
67.2°F
(19.6°C)
1.7°F
(0.9°C)
97th Coolest Coolest since: 2017 1974, 1992
29th Warmest Warmest since: 2016 1947
Ties: 1990, 2019
Jul–Sep 2018
3-Month
70.3°F
(21.3°C)
69.5°F
(20.8°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 2017 1992
37th Warmest Warmest since: 2016 1936
Jun–Sep 2018
4-Month
71.0°F
(21.7°C)
69.4°F
(20.8°C)
1.6°F
(0.9°C)
104th Coolest Coolest since: 2017 1915
22nd Warmest Warmest since: 2016 1936
Ties: 1980, 2012
May–Sep 2018
5-Month
70.2°F
(21.2°C)
67.5°F
(19.7°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 2017 1915
5th Warmest Warmest since: 1988 1936
Apr–Sep 2018
6-Month
65.0°F
(18.3°C)
64.2°F
(17.9°C)
0.8°F
(0.4°C)
86th Coolest Coolest since: 2017 1907
40th Warmest Warmest since: 2017 1936
Ties: 1906, 1919, 1964, 2015, 2017
Mar–Sep 2018
7-Month
60.8°F
(16.0°C)
60.0°F
(15.6°C)
0.8°F
(0.4°C)
86th Coolest Coolest since: 2014 1951
40th Warmest Warmest since: 2017 2012
Ties: 1918
Feb–Sep 2018
8-Month
55.7°F
(13.2°C)
55.3°F
(12.9°C)
0.4°F
(0.3°C)
78th Coolest Coolest since: 2015 1950
48th Warmest Warmest since: 2017 2012
Ties: 1953, 1968, 2004
Jan–Sep 2018
9-Month
51.5°F
(10.8°C)
51.1°F
(10.6°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 2015 1912
54th Warmest Warmest since: 2017 2012
Ties: 1910, 1968, 2004, 2015
Dec 2017–Sep 2018
10-Month
48.8°F
(9.3°C)
48.3°F
(9.1°C)
0.5°F
(0.2°C)
76th Coolest Coolest since: 2014 1979
49th Warmest Warmest since: 2017 2012
Ties: 1973
Nov 2017–Sep 2018
11-Month
47.7°F
(8.7°C)
47.2°F
(8.4°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 2015 1912
46th Warmest Warmest since: 2017 2012
Ties: 1946, 2013
Oct 2017–Sep 2018
12-Month
48.1°F
(8.9°C)
47.5°F
(8.6°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 2015 1912
45th Warmest Warmest since: 2017 2012
Ties: 1948
Apr 2017–Sep 2018
18-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 2015 1951
38th Warmest Warmest since: 2017 2012
Ties: 1983, 1992, 2011
Oct 2016–Sep 2018
24-Month
49.5°F
(9.7°C)
47.6°F
(8.7°C)
1.9°F
(1.0°C)
112th Coolest Coolest since: 2016 1979
12th Warmest Warmest since: 2017 2017
Oct 2015–Sep 2018
36-Month
50.0°F
(10.0°C)
47.5°F
(8.6°C)
2.5°F
(1.4°C)
121st Coolest Coolest since: 2017 1979
2nd Warmest Warmest since: 2000 2000
Oct 2014–Sep 2018
48-Month
49.4°F
(9.7°C)
47.5°F
(8.6°C)
1.9°F
(1.1°C)
120th Coolest Coolest since: 2017 1905, 1918
2nd Warmest Warmest since: 2007 1934
Ties: 2002, 2007
Oct 2013–Sep 2018
60-Month
48.5°F
(9.2°C)
47.5°F
(8.6°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 2017 1906, 1907
19th Warmest Warmest since: 2016 2002
Ties: 1925, 1989, 2009, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/